Prepare: Dress warmly for the weather, and feel free to bring camp chairs or blankets for sky viewing.

Meet: At the Lone Star Interpretive Theater, located in the center of Hackberry Camp Area just before the first water crossing.

Fees: No fee for this program. Regular park entrance fee applies ($8 per adult, kids 12 and under are free). You can reserve your day pass and even print it ahead of time at https://texasstateparks.reserveamerica.com